A nurse is caring for a client with peripheral artery disease who has an arterial ulcer. Which of the following best describes the mechanism for developing the clinical problem?
Swelling of the lower extremity can create a wound that is difficult to heal.
Decreased blood flow to the area can cause the wound and decrease the healing.
Lower extremity compression stockings likely caused the wound to occur.
Increased blood sugar associated with the condition is likely the cause of the wound not healing.
The Correct Answer is B
A. Swelling of the lower extremity can create a wound that is difficult to heal. Swelling typically relates to venous ulcers, not arterial ulcers, which are caused by reduced blood flow.
B. Decreased blood flow to the area can cause the wound and decrease the healing. Peripheral artery disease causes decreased blood flow, leading to poor oxygenation and slow healing of arterial ulcers.
C. Lower extremity compression stockings likely caused the wound to occur. Compression stockings are used in venous insufficiency and do not cause arterial ulcers.
D. Increased blood sugar associated with the condition is likely the cause of the wound not healing. While high blood sugar can impair healing, decreased blood flow is the primary cause of arterial ulcers in PAD.
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Related Questions
Correct Answer is C
Explanation
A. "A heart murmur is a high-pitched sound due to a narrow valve." Not all murmurs are high-pitched, nor are they always due to a narrow valve.
B. "This means that there is some inflammation around your heart." A murmur does not indicate inflammation around the heart; it typically indicates abnormal blood flow.
C. "This indicates turbulent blood flow through a valve." A heart murmur is caused by turbulent blood flow, often through a damaged or abnormal valve.
D. "A heart murmur is an extra sound due to blood entering an inflexible chamber." While inflexible chambers can cause extra heart sounds, this does not describe a murmur.
Correct Answer is D
Explanation
A. Depression: While propranolol can sometimes worsen symptoms of depression, this is not as critical as the impact on conditions like heart failure.
B. Glaucoma: Propranolol does not typically affect glaucoma; however, some beta-blockers are used to treat glaucoma.
C. Migraine: Propranolol is sometimes used to prevent migraines, so a history of migraines would not require discontinuation.
D. Heart failure: Propranolol can exacerbate heart failure by reducing myocardial contractility. Clients with heart failure require careful monitoring or an alternative medication.
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